From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Steps to reproduce:
mkfs.btrfs <disk>
mount <disk> <mnt>
btrfs quota enable <mnt>
btrfs sub create <mnt>/subv
i=1
while [ $i -le 10000 ]
do
dd if=/dev/zero of=<mnt>/subv/data_$i bs=1K count=1
i=$(($i+1))
if [ $i -eq 500 ]
then
btrfs quota disable $mnt
fi
done
dmesg
Obviously, this warn_on() is unnecessary, and it will be easily triggered.
Just remove it.
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
---
fs/btrfs/qgroup.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 14fca77..0d37b1f 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -423,8 +423,6 @@ void btrfs_free_qgroup_config(struct btrfs_fs_info *fs_info)
qgroup = rb_entry(n, struct btrfs_qgroup, node);
rb_erase(n, &fs_info->qgroup_tree);
- WARN_ON(!list_empty(&qgroup->dirty));
-
while (!list_empty(&qgroup->groups)) {
list = list_first_entry(&qgroup->groups,
struct btrfs_qgroup_list,
--
1.7.7.6
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